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OBD Codes
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P2313 Ignition Coil E Primary Control Circuit High

OBD-II Trouble Code Technical Description

Article by
Stephen Darby
Stephen Darby
ASE Certified Technician

总裁俱乐部appIgnition Coil E Primary Control Circuit High

What does P2313 mean?

This diagnostic trouble code (DTC) is a generic powertrain code and applies to many OBD-II vehicles (1996-newer). That may include but is not limited to vehicles from Jeep, Ford, VW, Mini, Dodge, Chrysler, Chevrolet, etc. Although generic, the exact repair steps may vary depending on year, make, model and powertrain configuration.


 

If your vehicle has stored a code P2313, accompanied by a malfunction indicator lamp (MIL), it means that the powertrain control module (PCM) has detected a high voltage condition in the primary control circuit of the ignition coil designated with the letter E. Refer to a manufacturer specific guide to determine which is the "E" circuit for your particular application.

Primary circuits of the ignition coil are the wires which supply battery voltage to the coil. Voltage is delivered through fuses, relays, and various other sources. The high-energy ignition boot, spark plug boot, or spark plug wire is NOT considered a primary circuit.

Typically, the ignition coil is supplied with battery voltage and ground. When the ground signal is interrupted (momentarily), the ignition coil emits a high voltage spark which also fires the spark plug. Spark plug operation is a necessary component in the internal combustion engine. If primary voltage to the ignition coil is excessive, high-energy voltage emission will not occur and the engine cylinder will not produce horsepower.

Typical individual cylinder (coil-on-plug COP) ignition coils:
P2313 COP coil on plug ignition coils

What is the severity of this DTC?

When a P2313 is stored, the cause should be diagnosed as soon as possible. Symptoms which likely accompany these codes will usually demand immediate attention.

What are some of the symptoms of the code?

总裁俱乐部appSymptoms of a P2313 trouble code may include:

What are some of the common causes of the code?

总裁俱乐部appCauses for this code may include:

What are some P2313 troubleshooting steps?

You will need a diagnostic scanner, a digital volt/ohmmeter (DVOM), and a source of reliable vehicle information in order to accurately diagnose a code P2313.

You may save yourself time and trouble by searching for technical service bulletins (TSB) that replicate the code stored, vehicle (year, make, model, and engine), and symptoms exhibited. This information may be found in your vehicle information source. If you find the right TSB, it could yield a speedy solution to your diagnosis.

After you connect the scanner to the vehicle diagnostic port and retrieve all stored codes and pertinent freeze frame data, write the information down (in case the code proves to be an intermittent one). After that, clear the codes and test drive the vehicle until one of two things happens; the code is restored or the PCM enters readiness mode.

The code may be more difficult to diagnose if the PCM enters readiness mode at this point, because the code is intermittent. The condition which caused the P2313 to be stored may need to worsen before an accurate diagnosis can be made. If the code is restored, continue with the diagnosis.

You may obtain connector face views, connector pinout charts, component locator charts, wiring diagrams, and diagnostic flow charts (pertaining to the code and vehicle in question) using your source of vehicle information.

Perform a visual inspection of related wiring and connectors. Repair or replace wiring that has been cut, burned, or damaged. Wiring on top of the engine is often damaged by wildlife attempting to stay warm in cold climates.

总裁俱乐部appUse the DVOM to test voltage and ground circuits at the ignition coil in question. If no voltage is detected, check the system relay and related fuses. Replace defective relays and/or blown (or otherwise defective) fuses as required.

If voltage and ground are detected at the coil, test the corresponding ground circuit at the PCM connector with the engine running. If ground pulse is detected there, suspect an open circuit between the coil in question and the PCM. If no ground pulse is discovered there, suspect a defective PCM, or a programming error.

Related DTC Discussions

Need more help with a P2313 code?

If you still need help regarding the P2313 trouble code, please post your question in our FREE car repair forums.

总裁俱乐部appNOTE: This information is presented for information purposes only. It is not intended as repair advice and we are not responsible for any actions you take on any vehicle. All information on this site is copyright protected.

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